<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click='gotoSearch'></my-search>
    </view>
    
    <!-- 轮播图的区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="2000" :duration="1000" circular="true">
      <swiper-item v-for="(item,index) in swiperList" :key='index'>
        <!-- 设置轮播图跳转 : 分包路径 + 参数 + 每项 id 值-->
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id'+item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,index) in navList" :key='index' @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 商品楼层区域 -->
    <view class="floor-list">
      <!-- 楼层项 -->
      <view class="floor-item" v-for="(item,index) in floorList" :key='index'>
        <!-- 楼层标题 -->
        <image class="floor-title" :src="item.floor_title.image_src"></image>
        <!-- 楼层图片 -->
        <view class="floor-img-box">
          <!-- 左侧盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,index2) in item.product_list" :key='index2' v-if="index2 !== 0" :url="item2.url">
              <image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix" ></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
    
    <!--  -->
    
  </view>
</template>

<script>
  export default {
    data() {
      return {
        swiperList: [], // 轮播图数据列表
        navList: [], //分类导航数据列表
        floorList:[]  //楼层的数据列表
      };
    },

    onLoad() {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },

    methods: {
      // 轮播图的数据的请求
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) {
          // 请求失败,显示信息弹框提示
          return uni.$showMsg()
        }
        this.swiperList = res.message
      },
      // 分类导航数据的请求
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.navList = res.message
      },
      // 导航项的点击事件
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 楼层列表数据的请求
      async getFloorList(){
        const {data:res} =await uni.$http.get('/api/public/v1/home/floordata')
        console.log(res)
        if(res.meta.status !== 200){
          return uni.$showMsg()
        }
        // 处理图片链接的数据
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = "/subpkg/goods_list/goods_list?" + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      // 搜索栏点击事件
      gotoSearch(){
        uni.navigateTo({
         url:'/subpkg/search/search'
        })
      }
    },
  }
</script>

<style lang="scss">
  // 轮播图
  swiper {
    height: 300rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  // 导分类航
  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15rpx 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  
  // 楼层区域
  .floor-title{
    width: 100%;
    height: 60rpx;
    }
  .right-img-box{
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
    }
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }  
  .search-box{
    position: sticky;//吸顶效果
    top: 0;
    z-index: 999;
  }
</style>
